GeForce GTX 680MX Mac Edition vs Radeon E8870
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680MX Mac Edition 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 96.00GB/s)
768 additional rendering cores
Radeon E8870 's Advantages
Released 2 years and 11 months late
More VRAM (4GB vs 2GB)
Lower TDP (75W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
+43%
2209
Radeon E8870
1536
Graphics Card
Oct 2012
Release Date
Sep 2015
GeForce 600M
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
1250 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
96.00GB/s
Render Config
-
Compute Units
12
1536
Shading Units
768
128
TMUs
48
32
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
23.01 GPixel/s
Pixel Rate
16.00 GPixel/s
92.03 GTexel/s
Texture Rate
48.00 GTexel/s
2.209 TFLOPS
FP32 (float)
1.536 TFLOPS
92.03 GFLOPS
FP64 (double)
96.00 GFLOPS
Board Design
122W
TDP
75W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK104
GPU Name
Saturn
N13E-GTX2-A2
GPU Variant
Saturn PRO
Kepler
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
2.08 billion
294 mm²
Die Size
160 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.3